BE717457A - - Google Patents

Info

Publication number
BE717457A
BE717457A BE717457DA BE717457A BE 717457 A BE717457 A BE 717457A BE 717457D A BE717457D A BE 717457DA BE 717457 A BE717457 A BE 717457A
Authority
BE
Belgium
Prior art keywords
tail
support
groove
pins
housing
Prior art date
Application number
Other languages
English (en)
French (fr)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from FR981422A external-priority patent/FR1408935A/fr
Priority claimed from FR19974A external-priority patent/FR88079E/fr
Application filed filed Critical
Publication of BE717457A publication Critical patent/BE717457A/fr

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00
    • E21C35/18—Mining picks; Holders therefor
    • E21C35/19—Means for fixing picks or holders

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)
BE717457D 1964-07-10 1968-07-01 BE717457A (enExample)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR981422A FR1408935A (fr) 1964-07-10 1964-07-10 Dispositif de fixation rapide d'une pièce amovible sur un support, plus particulièrement d'un pic dans une machine d'abattage de mine
FR19974A FR88079E (fr) 1964-07-10 1965-06-09 Dispositif de fixation rapide d'une pièce amovible sur un support, plus particulièrement d'un pic dans une machine d'abattage de mine
FR119262A FR92923E (fr) 1964-07-10 1967-08-29 Dispositif de fixation rapide d'une piece amovible sur un support, plus particulierement d'un pic dans une machine d'abatage de mine.

Publications (1)

Publication Number Publication Date
BE717457A true BE717457A (enExample) 1968-12-16

Family

ID=8637458

Family Applications (1)

Application Number Title Priority Date Filing Date
BE717457D BE717457A (enExample) 1964-07-10 1968-07-01

Country Status (2)

Country Link
BE (1) BE717457A (enExample)
FR (1) FR92923E (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4915454A (en) * 1986-11-04 1990-04-10 Southern Philip W Mining bit and holder

Also Published As

Publication number Publication date
FR92923E (fr) 1969-01-17

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